Alfuzosin hydrochloride81403-68-1100 % similar Alfuzosin81403-80-797 % similar Terazosin hydrochloride63074-08-861 % similar Terazosin monohydrochloride dihydrate70024-40-758 % similar Terazosin63590-64-758 % similar 2-(1-Piperazinyl)-4-amino-6,7-dimethoxyquinazoline60547-97-945 % similar Doxazosin74191-85-844 % similar Cyclazosin146929-33-142 % similar Prazosin hydrochloride19237-84-441 % similar Doxazosin mesylate77883-43-340 % similar Prazosin19216-56-939 % similar 4-Amino-2-chloro-6,7-dimethoxyquinazoline23680-84-438 % similar